/*
 * @Author: 卡卡 1071780426@qq.com
 * @Date: 2022-11-30 09:28:27
 * @LastEditors: CNN 969682281@qq.com
 * @LastEditTime: 2023-05-10 14:10:44
 * @FilePath: \mould\src\utils\directive\directives.js
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 */
// 设置dialog拖动指令
// v-dialogDrag: 弹窗拖拽
import Vue from 'vue';
Vue.directive("dialogDrag", {
    bind(el) {
        // console.log(binding, vnode, oldVnode);
        const dialogHeaderEl = el.querySelector(".el-dialog__header");
        const dragDom = el.querySelector(".el-dialog");
        dialogHeaderEl.style.cursor = "move";

        // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
        const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null);

        dialogHeaderEl.onmousedown = e => {
            // 鼠标按下，计算当前元素距离可视区的距离
            const disX = e.clientX - dialogHeaderEl.offsetLeft;
            const disY = e.clientY - dialogHeaderEl.offsetTop;

            // 获取到的值带px 正则匹配替换
            let styL, styT;

            // 注意在ie中 第一次获取到的值为组件自带0% 移动之后赋值为px
            if (sty.left.includes("%")) {
                // styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, "") / 100);
                // styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, "") / 100);
                styL = +document.body.clientWidth * (+styL.replace(/%/g, '') / 100)
                styT = +document.body.clientHeight * (+styT.replace(/%/g, '') / 100)
            } else {
                styL = +sty.left.replace(/\px/g, "");
                styT = +sty.top.replace(/\px/g, "");
            }

            document.onmousemove = function (e) {
                // 通过事件委托，计算移动的距离
                const l = e.clientX - disX;
                const t = e.clientY - disY;

                // 移动当前元素
                dragDom.style.left = `${l + styL}px`;
                dragDom.style.top = `${t + styT}px`;

                // 将此时的位置传出去
                // binding.value({x:e.pageX,y:e.pageY})
            };

            document.onmouseup = function (e) {
                console.log(e);
                document.onmousemove = null;
                document.onmouseup = null;
            };
        };
    }
});